In fact, there's a truly embarrassing sequence circulating actively on the web involving Toronto's captain, John Tavares.
During the sequence of Marchand's game-winning goal, the number 91 failed to make his defensive play after a turnover by his team, setting a poor example for his teammates. Let's just say it's a picture worth a thousand words... It clearly demonstrates why the Leafs will never win the Stanley Cup with their current core.